package com.qingcheng.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.qingcheng.dao.AdminMapper;
import com.qingcheng.dao.AdminRoleMapper;
import com.qingcheng.dao.RoleMapper;
import com.qingcheng.entity.PageResult;
import com.qingcheng.pojo.system.Admin;
import com.qingcheng.pojo.system.AdminRole;
import com.qingcheng.pojo.system.AdminRoleResult;
import com.qingcheng.pojo.system.Role;
import com.qingcheng.service.system.AdminService;
import com.qingcheng.util.BCrypt;
import org.springframework.beans.factory.annotation.Autowired;
import tk.mybatis.mapper.entity.Example;

import java.util.List;
import java.util.Map;

@Service
public class AdminServiceImpl implements AdminService {

    @Autowired
    private AdminMapper adminMapper;

    /**
     * 返回全部记录
     *
     * @return
     */
    public List<Admin> findAll() {
        return adminMapper.selectAll();
    }

    /**
     * 分页查询
     *
     * @param page 页码
     * @param size 每页记录数
     * @return 分页结果
     */
    public PageResult<Admin> findPage(int page, int size) {
        PageHelper.startPage(page, size);
        Page<Admin> admins = (Page<Admin>) adminMapper.selectAll();
        return new PageResult<Admin>(admins.getTotal(), admins.getResult());
    }

    /**
     * 条件查询
     *
     * @param searchMap 查询条件
     * @return
     */
    public List<Admin> findList(Map<String, Object> searchMap) {
        Example example = createExample(searchMap);
        return adminMapper.selectByExample(example);
    }

    /**
     * 分页+条件查询
     *
     * @param searchMap
     * @param page
     * @param size
     * @return
     */
    public PageResult<Admin> findPage(Map<String, Object> searchMap, int page, int size) {
        PageHelper.startPage(page, size);
        Example example = createExample(searchMap);
        Page<Admin> admins = (Page<Admin>) adminMapper.selectByExample(example);
        return new PageResult<Admin>(admins.getTotal(), admins.getResult());
    }

    @Autowired
    private RoleMapper roleMapper;

    /**
     * 根据Id查询用户角色信息
     *
     * @param id
     * @return
     */
    public AdminRoleResult findById(Integer id) {
        Admin admin = adminMapper.selectByPrimaryKey(id);//查询用户
        admin.setPassword(null);//设置密码为空
        List<Role> roleList = roleMapper.findRoleList(id);//查询角色列表
        AdminRoleResult adminRoleResult = new AdminRoleResult();//创建结果类
        adminRoleResult.setAdmin(admin);//设置用户
        adminRoleResult.setRoleList(roleList);//设置角色列表
        return adminRoleResult;
    }

    @Autowired
    private AdminRoleMapper adminRoleMapper;

    /**
     * 添加管理员与对应角色信息
     *
     * @param adminRoleResult
     */
    @Override
    public void add(AdminRoleResult adminRoleResult) {
        Admin admin = adminRoleResult.getAdmin();//获取管理员对象
        String pwd = BCrypt.hashpw(admin.getPassword(), BCrypt.gensalt());//加密密码
        admin.setPassword(pwd);//更新密码
        adminMapper.insert(admin);//插入管理员数据
        List<Role> roles = adminRoleResult.getRoleList();//获取角色id列表
        AdminRole adminRole = null;
        //遍历角色id列表
        if (roles != null) {
            for (Role role : roles) {
                adminRole = new AdminRole();
                adminRole.setAdminId(admin.getId());//插入管理员id
                adminRole.setRoleId(role.getId());//插入角色id
                adminRoleMapper.insert(adminRole);//插入中间表数据
            }
        }

    }

    /**
     * 新增
     *
     * @param admin
     */
    public void add(Admin admin) {
        adminMapper.insert(admin);
    }

    /**
     * 修改
     *
     * @param admin
     */
    public void update(Admin admin) {
        adminMapper.updateByPrimaryKeySelective(admin);
    }

    /**
     * 删除
     *
     * @param id
     */
    public void delete(Integer id) {
        adminMapper.deleteByPrimaryKey(id);
    }

    /**
     * 构建查询条件
     *
     * @param searchMap
     * @return
     */
    private Example createExample(Map<String, Object> searchMap) {
        Example example = new Example(Admin.class);
        Example.Criteria criteria = example.createCriteria();
        if (searchMap != null) {
            // 用户名
            if (searchMap.get("loginName") != null && !"".equals(searchMap.get("loginName"))) {
                //criteria.andLike("loginName","%"+searchMap.get("loginName")+"%");
                criteria.andEqualTo("loginName", searchMap.get("loginName"));
            }
            // 密码
            if (searchMap.get("password") != null && !"".equals(searchMap.get("password"))) {
                criteria.andLike("password", "%" + searchMap.get("password") + "%");
            }
            // 状态
            if (searchMap.get("status") != null && !"".equals(searchMap.get("status"))) {
                criteria.andEqualTo("status", searchMap.get("status"));
            }
            // id
            if (searchMap.get("id") != null) {
                criteria.andEqualTo("id", searchMap.get("id"));
            }

        }
        return example;
    }

}
